OAO Valved Cat-Back Exhaust System for BMW G20 320i / 330i B48 2.0T T304 Stainless Steel Performance Exhaust 2019+

Transform the Sound of Your BMW G20

Designed specifically for BMW G20 320i and 330i models equipped with the B48 2.0L turbocharged engine, the OAO Valved Cat-Back Exhaust System is engineered to improve exhaust flow, enhance sound quality, and deliver a more engaging driving experience.

Combining sporty acoustics with everyday comfort, this system allows drivers to switch between refined cruising and aggressive performance sound through an intelligent electronic valve control system.

Constructed from premium T304 stainless steel and precision TIG welded construction, the OAO exhaust system offers exceptional durability, corrosion resistance, and OEM-quality fitment.

Key Features

✓ Designed for BMW G20 320i & 330i

✓ B48 2.0L Turbocharged Engine Platform

✓ Premium T304 Stainless Steel Construction

✓ Electronic Valved Exhaust System

✓ High-Flow Cat-Back Design

✓ Precision TIG Welded

✓ Direct Bolt-On Installation

✓ Enhanced Exhaust Flow Efficiency

✓ Reduced Exhaust Restriction

✓ Improved Exhaust Acoustics

✓ Lightweight Performance Design

✓ OEM-Level Fitment

Intelligent Valve Control System

Comfort Mode

With the valves closed, exhaust gases pass through the muffler chambers to maintain a quiet and refined driving experience.

Perfect for:

• Daily Driving

• Highway Cruising

• Long Distance Travel

• Reduced Cabin Noise

Sport Mode

Open the valves and unlock a more aggressive BMW driving experience.

Benefits include:

• Louder Exhaust Sound

• Deeper Exhaust Tone

• Enhanced Turbocharged Character

• Sharper Acceleration Acoustics

• Increased Driver Engagement

• Sportier Driving Feel

Performance Benefits

The OAO Cat-Back Exhaust System is designed to optimize exhaust efficiency while improving overall sound quality.

Potential benefits may include:

• Improved Exhaust Flow Efficiency

• Sharper Throttle Response

• Enhanced Turbocharger Sound

• Reduced Exhaust Restriction

• Improved Driving Enjoyment

• More Aggressive Exhaust Note

Performance gains may vary depending on supporting modifications and ECU calibration.

Sound Characteristics

The OAO G20 B48 exhaust system is carefully tuned to deliver:

• Deep Idle Tone

• Rich Mid-Range Sound

• Enhanced Turbo Acoustics

• Sportier High-RPM Character

• Aggressive Sport Mode Sound

• Comfortable Daily Driving Experience

Designed to provide the perfect balance between luxury refinement and performance-inspired sound.

Premium T304 Stainless Steel Construction

Manufactured from high-grade T304 stainless steel for long-lasting durability and reliability.

Advantages include:

• Excellent Corrosion Resistance

• Superior Heat Resistance

• Long Service Life

• Lightweight Construction

• High Structural Strength

Every exhaust system is precision TIG welded and inspected before shipment to ensure exceptional quality and fitment.

Vehicle Fitment

Compatible with:

• BMW G20 320i

• BMW G20 330i

• BMW G21 320i Touring

• BMW G21 330i Touring

Engine Platform

• B48 2.0L Turbocharged Inline-4

Model Years

• 2019+

• 2020+

• 2021+

• 2022+

• 2023+

• 2024+

• 2025+

• 2026+

Please verify your vehicle specifications and exhaust configuration before ordering.

Package Includes

• OAO Valved Cat-Back Exhaust System

• Electronic Valve Control Module

• Remote Controllers

• Installation Hardware Kit

• Protective Packaging

Installation

Direct bolt-on design utilizing factory mounting points.

Professional installation is recommended for optimal fitment and performance.

Why Choose OAO Performance

OAO specializes in premium performance exhaust systems for BMW, Mercedes-AMG, Audi RS, Porsche, Toyota GR, and other enthusiast platforms.

From valved cat-back exhausts and downpipes to titanium exhaust systems and OEM/ODM manufacturing, every OAO product is engineered to deliver exceptional craftsmanship, fitment, sound quality, and performance.

Give your BMW G20 B48 the sound, style, and driving excitement it deserves.